We have adopted the list of city codes used by Real Estate - click    mls-City-Abbrev
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​Some most often use abbreviations for locations

CCP = Copper Canyon Park
CCUT = Cole Canyon Upper Trails
CHI = Chino
CNF = Cleveland National Forest
DC = Desert Center
​DP = Dana Point
​DPP = Duck Pond Park
DUN = Dunlap Dr.
DVL = Diamond Valley Lake
​E&D = Elm and Douglass
ECP = Encinitas Community Park
​EGB = Elm Grove Beach
ENC = Encinitas
​FP = Fairmont Park
​FS = Famosa Slough
GAP = Glen Arbor Park
​​GL = Guajome Lake
​GM = Gunnerson Marsh
​GP = Gilman Park
HCP = Harvard Community Park
HEM = Hemet
​​HL = Harveston Lake
​​HS = Hot Springs area
HST = ​Hidden Springs Trail
ICP = Idyllwild County Park
​IDY = Idyllwild
IRP = Irvine Regional Park
​IRV = Irvine
JUL = Julian
​KCE = Kalmia Calle Estancia
LC = Lake Cuyamaca
LDZ = Living Desert Zoo and Gardens
​LH = Lake Hemet
LKEL = Lake Elsinore
​LKPE = Lake Perris
LLC = Lake Los Carneros
​LLP = Libby Lake Park
LS = Lake Skinner
LT = Lake Tamarisk
MC = Mountain Center
​MC = Murrieta Creek
​MPP = Mountain Pride Park
MSB = Moonlight State Beach​
MUR  = Murrieta
OCNS = Oceanside
ORG = Orange
PD = Palm Desert
​PER = Perris
PP = Pond Park (MUR)
PP = Perret Park (LKEL)
PRP = Prado Regional Park
RIV = Riverside
RT = Ramona Trailhead
SD = San Diego
SDRM = San Diego River Mouth
SDS = Salida Del Sol 
SLRRM = San Luis Rey River Mouth
SJM = San Jacinto Mtns
​SJWA = San Jacinto Wildlife Area
SJWS = San Joaquin Wildlife Sanctuary
SMR = Santa Margarita River
​SR = Sykes Ranch Park area
​SRA = State Recreation Area
SRPR = Santa Rosa Plateau Reserve
SS = Salton Sea​
​SW = South West area or West of I5
​TEM = Temecula
TSP = Town Square Park
TTP = Twin Trails Park
USAR = Upper Santa Ana River
WIL = Wildomar
WIN = Winchester
​WL = Whelan Lake
WMP = William Mason Park
YL = Yorba Linda
YLRP = Yorba Linda Regional Park

Seen @ Symbols - used for birds seen on the outskirts of the Murrieta area or only during migration
@==   Coast 
@^^   Mountains
@__    Deserts
@>>    Migration
@""  north of Orange and Riverside Counties